Using -Oline -j 72 W=1 C=1 redirect to /tmp/tmp.msZWaiSIJR and /tmp/tmp.RejvOgZJjr
CC=ccache gcc
gcc (GCC) 15.2.1 20250808 (Red Hat 15.2.1-1)
Tree base:
2b7553db91f8 ("Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net")
Baseline building the tree
make[1]: Entering directory '/home/nipa/net-next/wt-0/build_allmodconfig_warn'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-0/build_allmodconfig_warn'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  net/netrom/nr_route.o
  CHECK   ../net/netrom/nr_route.c
  LD [M]  net/netrom/netrom.o
  CC [M]  net/bridge/br_multicast.o
  CHECK   ../net/bridge/br_multicast.c
  LD [M]  net/bridge/bridge.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#7366)
  CC [M]  net/netrom/netrom.mod.o
  LD [M]  net/netrom/netrom.ko
  CC [M]  net/bridge/bridge.mod.o
  LD [M]  net/bridge/bridge.ko
Building the tree before the patch
make[1]: Entering directory '/home/nipa/net-next/wt-0/build_allmodconfig_warn'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-0/build_allmodconfig_warn'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  net/bridge/br_multicast.o
  CHECK   ../net/bridge/br_multicast.c
  LD [M]  net/bridge/bridge.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#7366)
  CC [M]  net/bridge/bridge.mod.o
  LD [M]  net/bridge/bridge.ko
Building the tree with the patch
make[1]: Entering directory '/home/nipa/net-next/wt-0/build_allmodconfig_warn'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net-next/wt-0/build_allmodconfig_warn'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  DESCEND objtool
  INSTALL libsubcmd_headers
  CALL    ../scripts/checksyscalls.sh
  CC [M]  net/bridge/br_multicast.o
  CHECK   ../net/bridge/br_multicast.c
  LD [M]  net/bridge/bridge.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#7366)
  CC [M]  net/bridge/bridge.mod.o
  LD [M]  net/bridge/bridge.ko